haiku/headers/private/media/DecoderPlugin.h

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#ifndef _DECODER_PLUGIN_H
#define _DECODER_PLUGIN_H
#include <MediaTrack.h>
#include <MediaFormats.h>
#include "MediaPlugin.h"
class AddOnManager;
namespace BPrivate { namespace media {
class ChunkProvider {
public:
virtual status_t GetNextChunk(void **chunkBuffer, int32 *chunkSize,
media_header *mediaHeader) = 0;
};
class Decoder
{
public:
Decoder();
virtual ~Decoder();
virtual void GetCodecInfo(media_codec_info *codecInfo) = 0;
// Setup get's called with the info data from Reader::GetStreamInfo
virtual status_t Setup(media_format *ioEncodedFormat, const void *infoBuffer, int32 infoSize) = 0;
virtual status_t NegotiateOutputFormat(media_format *ioDecodedFormat) = 0;
virtual status_t Seek(uint32 seekTo,
int64 seekFrame, int64 *frame,
bigtime_t seekTime, bigtime_t *time) = 0;
virtual status_t Decode(void *buffer, int64 *frameCount,
media_header *mediaHeader, media_decode_info *info = 0) = 0;
status_t GetNextChunk(void **chunkBuffer, int32 *chunkSize,
media_header *mediaHeader);
void Setup(ChunkProvider *provider);
private:
ChunkProvider * fChunkProvider;
};
class DecoderPlugin : public virtual MediaPlugin
{
public:
DecoderPlugin();
virtual Decoder *NewDecoder(uint index) = 0;
virtual status_t GetSupportedFormats(media_format ** formats, size_t * count) = 0;
};
} } // namespace BPrivate::media
using namespace BPrivate::media;
#endif